Headline:
Dense Fog Advisory issued October 6 at 2:53AM PDT until October 6 at 12:00PM PDT by NWS Portland OR
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
October 6, 2026 - 2:53am
Expires:
October 6, 2026 - 2:00pm
Description:
* WHAT...For the Dense Fog Advisory, dense fog will reduce
visibility to 1 NM or less. For the Small Craft Advisory, Rough
bar conditions expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Dense Fog Advisory, until noon PDT today. Small Craft
Advisory, from 2 PM this afternoon to 2 AM PDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft,
especially when operating near to, or attempting to cross, the
Columbia River Bar. Low visibility will make navigation
difficult.
* ADDITIONAL DETAILS...Ebb current of 3.65 kt at 218 PM Tuesday.
Seas 4 to 5 ft. Ebb current of 4.85 kt at 233 AM Wednesday. Seas
5 ft. Ebb current of 4.47 kt at 310 PM Wednesday. Seas 5 ft.
Instruction:
A Small Craft Advisory means that wave conditions are expected to
be hazardous to small craft in the vicinity of the Columbia River
Bar. Mariners are advised to obtain the latest bar conditions
from the United States Coast Guard before attempting to cross the
bar.
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.
Area Description:
Columbia River Bar
Forcast Office:
NWS Portland OR
Sender:
w-nws.webmaster@noaa.gov